By catdynamics on June 19, 2008. Carnival of Space #59 up at SciBlog Green Gabbro Tags astro More like this Blogger Challenge update (day 21): running the numbers.On the East Coast, the sun is rising on day 21 of Blogger Challenge 2008. Talk to the rocksEveryone should go say hello to our new scibling, Green Gabbro. What is this? Rocks? Friday Rock Blogging: Gabbro Welcome the newest SciBling!Go say Hello to Green Gabbro!